6394334937 has 16 divisors (see below), whose sum is σ = 8689508928. Its totient is φ = 4181078720.

The previous prime is 6394334929. The next prime is 6394334953. The reversal of 6394334937 is 7394334936.

It is a cyclic number.

It is not a de Polignac number, because 6394334937 - 2³ = 6394334929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6394334937.

It is not an unprimeable number, because it can be changed into a prime (6394334237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741583 + ... + 750155.

It is an arithmetic number, because the mean of its divisors is an integer number (543094308).

Almost surely, 2^6394334937 is an apocalyptic number.

It is an amenable number.

6394334937 is a deficient number, since it is larger than the sum of its proper divisors (2295173991).

6394334937 is a wasteful number, since it uses less digits than its factorization.

6394334937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320.

The product of its digits is 4408992, while the sum is 51.

The square root of 6394334937 is about 79964.5855175902. The cubic root of 6394334937 is about 1856.0875614570.

Subtracting 6394334937 from its reverse (7394334936), we obtain a palindrome (999999999).

The spelling of 6394334937 in words is "six billion, three hundred ninety-four million, three hundred thirty-four thousand, nine hundred thirty-seven".